using System.Diagnostics;
using System.Net;
using System.Net.Sockets;
using System.Text;

namespace WindowLock
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        /// 启动tcp，接收wake命令后，唤醒屏幕
        private void button1_Click(object sender, EventArgs e)
        {
            Thread thread = new Thread(new ThreadStart(StartTcp));
            thread.Start();
        }

        private void StartTcp()
        {
            TcpListener listener = new TcpListener(IPAddress.Any, 8888);
            listener.Start();
            while (true)
            {
                TcpClient client = listener.AcceptTcpClient();
                NetworkStream stream = client.GetStream();
                byte[] buffer = new byte[1024];
                int length = stream.Read(buffer, 0, buffer.Length);
                string message = Encoding.UTF8.GetString(buffer, 0, length);
                if (message == "wake")
                {
                    WakeUp();
                }
                stream.Close();
                client.Close();
            }
        }


        /// 蓝牙唤醒，接收到 wake 命令后，执行 WwakeUp 函数
        private void button2_Click(object sender, EventArgs e)
        {
            Thread thread = new Thread(new ThreadStart(StartBluetooth));
            thread.Start();
        }

        /// 
        private void StartBluetooth()
        {
            /// 检测蓝牙是否打开
            BluetoothRadio radio = BluetoothRadio.PrimaryRadio;
            if (radio == null)
            {
                MessageBox.Show("蓝牙未打开");
                return;
            }
            BluetoothListener listener = new BluetoothListener(new Guid("00001101-0000-1000-8000-00805F9B34FB"));
            listener.Start();
            while (true)
            {
                BluetoothClient client = listener.AcceptBluetoothClient();
                NetworkStream stream = client.GetStream();
                byte[] buffer = new byte[1024];
                int length = stream.Read(buffer, 0, buffer.Length);
                string message = Encoding.UTF8.GetString(buffer, 0, length);
                if (message == "wake")
                {
                    WakeUp();
                }
                stream.Close();
                client.Close();
            }
        }

        /// 屏幕唤醒
        private void WakeUp()
        {
            Process.Start("C:\\Windows\\System32\\scrnsave.scr", "/s");
            Thread.Sleep(1000);
            SendKeys.SendWait("{ENTER}");
        }
    }
}